New study shows that fetal tobacco exposure, particularly during the third trimester of pregnancy, prospectively predicts restricted growth at birth, yet greater obesity risk by 2 years of age. Coming soon: Molnar, D. S., Rancourt, D., Schlauch, R., Wen, X., Huestis, M. A., & Eiden, R. D. (in press). Tobacco exposure and conditional weight-for-length-gain by 2 years of age. Journal of Pediatric Psychology.